Stars (in credits order)
Philip Madoc
David Lloyd George
Lisabeth Miles
Margaret Lloyd George
William Thomas
William George
Kika Markham
Frances Stevenson
William Hootkins
Winston Churchill
Meredith Edwards
Richard Lloyd
David Markham
Herbert Henry Asquith
Sue Jones-Davies
Megan Lloyd George
Gillian Elisa
Anita George
Iestyn Garlick
Richard Lloyd George
Elen Roger Jones
Sara
Lisa Grug
Denys Hawthorne
John Dillon
Hugh Morton
Reginald McKenna
Jonathan Elsom
Maurice Hankey
Ioan Meredith
J.T. Davies
Beryl Williams
Betsy George
Rachel Thomas
Mrs. Richard Owen
Jack Wynne-Williams
John Gill
Lord Curzon
Anthony Sharp
Lord Grey
Fulton Mackay
Bonar Law
Ed Devereaux
Sir Max Aitken
Michael Anthony
Georges Clemenceau
Michael Cochrane
Charles Masterman
Dermot Tuohy
John Redmond
John H. Francis
Gwilym Lloyd George
John Boxer
Murray of Ellinbank
David Troughton
A.J. Sylvester
Ruth Madoc
Lizzie Davies
Glyn Williams
Returning Officer
Donna Edwards
Mair Lloyd George
Kevin Flood
Sir Edward Carson
Dylan Jones
David Lloyd George as a Boy
Euros Jones
William George as a Boy
Ray Smith
Aneurin Bevan
Paul Curran
Stanley Baldwin
Lockwood West
King Edward VII
George Belbin
Lord Milner
Roland Culver
William Ewart Gladstone
George Pravda
Professor Weizmann
Wendy Williams
Emmeline Pankhurst
David Lyn
Sam Evans
Morris Perry
Lord Birkenhead
Michael Forrest
Bob Smillie
Owen Garmon
Herbert Lewis
Dic Hughes
Richard Owen
Angus MacKay
Sir Frances Hopwood
Dafydd Hywel
Gwyn Williams
Huw Ceredig
D.A. Thomas
Iona Banks
Martha
Desmond Llewelyn
Lord Lansdowne
David Garfield
Tom Bell
Robert Blythe
Bryn Roberts
Guto Roberts
Mr. Evans
Edward Judd
LNER Director
Jack May
Lord Runciman
Richard Beale
Lord Kitchener
Terence Brook
King George V
Olwen Rees
Olwen Carey-Evans
Michael Hughes
Examiner
Lindsey Evans
Tory
Eric Longworth
Walter Long
Marilyn Le Conte
Breton Maid
Dillwyn Owen
Dr. David Edwards
Michael Cunningham
GWR Director
Ray Handy
Reverend Ellis
Sharon Morgan
Catherine Edwards
Sylvester Morand
Colonel Tweed
Hugh Thomas
Rufus Isaacs
Stewart Jones
Mr. Roberts
Philip Raymond
Liberal Candidate
Margaret Williams
Lily Jones
Maggie Henderson
Susan
Eluned Hawkins
Cockney Girl
Huw Tudor
Rector
Rhydwen Williams
Doctor
Sonn Connaughton
Eamon De Valera
Erica Creer
Stephen Lyons
Chauffeur
Jack Moylett
Michael Collins
Gari Williams
Liberal Agent
Bill Ingram
Tory Agent
John Greatorex
Journalist
Gilbert Wynne
Tim Davies
Martin Heller
Paul Haley
Sergeant
Martin Griffiths
Photographer
William Squire
Dr. Clifford
Nigel Caliburn
Young Officer
Nia Ceidiog
French Girl
John Prior
Dr. Williams
Roger Nott
Aide
Valerie Wynne-Williams
Tory Lady
Stevie Parry
Reporter
Delphine London
Debutante
Terry Pearson
Politician(uncredited)
Richard Driscoll
Lord Asquith Jnr(uncredited)
Steve Wilsher
Soldier(uncredited)